<SEC-DOCUMENT>0001193125-20-311343-index.html : 20201207
<SEC-HEADER>0001193125-20-311343.hdr.sgml : 20201207
<ACCEPTANCE-DATETIME>20201207104304
ACCESSION NUMBER:		0001193125-20-311343
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20200930
FILED AS OF DATE:		20201207
DATE AS OF CHANGE:		20201207
EFFECTIVENESS DATE:		20201207

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Natixis Funds Trust I
		CENTRAL INDEX KEY:			0000770540
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04323
		FILM NUMBER:		201371646

	BUSINESS ADDRESS:	
		STREET 1:		888 BOYLSTON STREET
		STREET 2:		8TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-449-2810

	MAIL ADDRESS:	
		STREET 1:		888 BOYLSTON STREET
		STREET 2:		8TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IXIS Advisor Funds Trust I
		DATE OF NAME CHANGE:	20050502

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CDC NVEST FUNDS TRUST I
		DATE OF NAME CHANGE:	20010503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NVEST FUNDS TRUST I
		DATE OF NAME CHANGE:	20000202
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000770540
<SERIES-ID>S000006660
<SERIES-NAME>Loomis Sayles Core Plus Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000018168
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NEFRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000018170
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NECRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000018171
<CLASS-CONTRACT-NAME>Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>NERYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000125481
<CLASS-CONTRACT-NAME>Class N
<CLASS-CONTRACT-TICKER-SYMBOL>NERNX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d86483dncsr.htm
<DESCRIPTION>NATIXIS FUNDS TRUST I
<TEXT>
Document 1 - file: d86483dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE
<SEQUENCE>2
<FILENAME>d86483dex99code.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: d86483dex99code.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>d86483dex99cert.htm
<DESCRIPTION>SECTION 302 CERTIFICATIONS
<TEXT>
Document 3 - file: d86483dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>4
<FILENAME>d86483dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATION
<TEXT>
Document 4 - file: d86483dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g33254g11m64.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g33254g11m64.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g33254g24v74.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g33254g24v74.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g33254g40m18.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g33254g40m18.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g33254g66s90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g33254g66s90.jpg

</DOCUMENT>
</SEC-DOCUMENT>